Results 11 to 20 of about 258,164 (322)

A Study on the Investigation of Air Pollutant Emissions (2015~2019) in Gunsan [PDF]

open access: yes대한환경공학회지, 2023
Objectives In this study, the emission status by year was analyzed using the air pollutant emission data of Gunsan for 5 years from 2015 to 2019. In addition, it is intended to identify the emission characteristics of (Jeonju and Iksan).
Sang-Hun Park   +2 more
doaj   +1 more source

Numerical Sensitivity Tests of Volatile Organic Compounds Emission to PM2.5 Formation during Heat Wave Period in 2018 in Two Southeast Korean Cities [PDF]

open access: yes, 2020
A record-breaking severe heat wave was recorded in southeast Korea from 11 July to 15 August 2018, and the numerical sensitivity simulations of volatile organic compound (VOC) to secondarily generated particulate matter with diameter of less than 2.5 mu ...
Jo, Yu-Jin   +4 more
core   +1 more source

Simple Preparations and Characterizations of Activated-Carbon- Clothes from Palm-Kernel-Shell for Ammonia Vapor Adsorption and Skim-Latex-Odor Removal

open access: yesIndonesian Journal of Chemistry, 2021
This study explored a simple preparation and characterization of the activated carbon and cloth from the palm kernel shell and compared it to the commercial-water-filter-carbon specification.
Muhammad Adlim   +6 more
doaj   +1 more source

Trap-state suppression and improved charge transport in PbS quantum dot solar cells with synergistic mixed ligand treatments [PDF]

open access: yes, 2017
The power conversion efficiency of colloidal PbS‐quantum‐dot (QD)‐based solar cells is significantly hampered by lower‐than‐expected open circuit voltage (VOC).
Bi, Yu   +5 more
core   +2 more sources

Continuous Monitoring of Air Purification: A Study on Volatile Organic Compounds in a Gas Cell

open access: yesSensors, 2020
Air pollution is one of the major environmental issues that humanity is facing. Considering Indoor Air Quality (IAQ), Volatile Organic Compounds (VOCs) are among the most harmful gases that need to be detected, but also need to be eliminated using air ...
Alaa Fathy   +9 more
doaj   +1 more source

C1-C8 volatile organic compounds in the atmosphere of Hong Kong: Overview of atmospheric processing and source apportionment [PDF]

open access: yes, 2007
We present measurements of C1-C8 volatile organic compounds (VOCs) at four sites ranging from urban to rural areas in Hong Kong from September 2002 to August 2003. A total of 248 ambient VOC samples were collected.
Barletta, B   +5 more
core   +1 more source

Fabrication of Dyes Adsorption Separation Membrane Via Post-Thermal Annealing Mediated Phase Inversion of Sulfonated Polyarylene Ethers Copolymers [PDF]

open access: yesE3S Web of Conferences
A sulfonated polyarylene ether random copolymer (abbreviated as Ao-S) has been synthesized and further converted into porous membranes via the classical non-solvent induced phase separation (NIPS) technique.
Cheng Liyan, Li Yunfei
doaj   +1 more source

Living in Asia: the Dutch Settlement in the Seventeenth Century of Malacca and Ayutthaya [PDF]

open access: yes, 2014
Sebagai akibat dari ekspansi besar VOC (Persekutuan Dagang Hindia Timur) di Asia administrasi Perusahaan multinasional pertama di dunia itu berkembang luar biasa.
Mulyasari, P. N. (Prima)
core   +3 more sources

Tracking Short-Range Attraction and Oviposition of European Grapevine Moths Affected by Volatile Organic Compounds in a Four-Chamber Olfactometer

open access: yesInsects, 2020
The identification of volatile organic compounds (VOCs) leading to short-range attraction and oviposition of the European grapevine moth Lobesia botrana and European grape berry moth Eupoecilia ambiguella (Lepidoptera: Tortricidae) is crucial in order to
Anna Markheiser   +4 more
doaj   +1 more source

Conceptual Design Method for Energy Retrofit of Waste Gas-to-Energy Units

open access: yesJournal of Sustainable Development of Energy, Water and Environment Systems, 2022
Many industrial waste gasses, especially from chemical and petrochemical processes, contain combustible substances enabling their utilization as a promising energy source.
Vít Freisleben, Zdeněk Jegla
doaj   +1 more source

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